    /*!
create css by 2020-11-24  kexuemihe  @wang   公共样式
*/
button{
    cursor: pointer;
}
// 弹窗居中盒子
.centerBox {
    border-radius: 1rem;
    position: absolute;
    z-index: 100;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: #FFF;
}

// 关闭按钮x
img.closeChaS {
    position: absolute;
    right: 3%;
    top: 8%;
    cursor: pointer;
}

// 三个点下拉操作栏
#opt {
    position: fixed;
    left: 0;
    top: 0;

    width: 58%;
    max-width: 120px;
    background: #FFFFFF;
    box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 1000;
    ul {
        padding: 1rem 0;

        li {
            display: flex;
            align-items: center;
            line-height: 3rem;
            font-size: 1rem;

            span {
                display: inline-block;
                font-family: PingFang SC;
                font-weight: 400;
                color: #666666;
                white-space: nowrap;
            }

            em {
                margin: 0 10% 0 22%;
            }

            &:hover {
                background-color: rgba(41, 121, 248, .1);
            }

        }

        li:nth-child(1) {
            border-bottom: thin solid #EEEEEE;
        }

        li:nth-child(3) {
            border-bottom: thin solid #EEEEEE;
        }

        li:nth-child(5) {
            border-bottom: thin solid #EEEEEE;
        }
    }
}

// 批量操作中的操作
#optionCourse {
    display: none;
    margin-left: 2.5rem;

    span {
        font-size: 1rem;
        font-family: PingFang SC;
        font-weight: 400;
        color: #999999;
        margin-right: 1.3rem;
        cursor: pointer;
    }

    span:hover {
        color: #05A6F9;
    }
}


// 教材下拉
.checks {
    display: none;
}

#rightCon {
    padding: 0 2.1rem;
}

#tabCourse {
    ul {
        display: flex;
    }
    li {
        font-size: 1.5rem;
        font-family: PingFang SC;
        font-weight: 500;
        color: #999;
        margin-right: 32.5px;
        cursor: pointer;
        line-height: 6.5rem;
    }
    li.active{
        color: #333;
    }
}

.selCourse {
    display: flex;
    justify-content: space-between;
    $width: 100px;

    .undSel {
        >a {
            display: block;
            // width: $width;
            border-radius: .5rem;
            line-height: 2.5rem;
            background: #FFFFFF;
            border: 1px solid #05A6F9;
            border-radius: 5px;
            padding: 0 12px;
            color: #05A6F9;
            span {
                padding-left: 3px;
            }
        }
    }

    .left {
        display: flex;
        align-items: center;

        >.undSel {
            margin-right: 2rem;

            >a {
                text-indent: 23%;
                background: #E9F1FE url(../images/courseware/arrowbottom.png) no-repeat 90% 50%;
            }
        }

        input {
            margin: 0;
            right: 0;
            top: 0;
            width: 1.8rem;
            height: 1.8rem;
            padding: 0;
            border-radius: 3px;
            vertical-align: middle;
        }

        ul {
            display: none;
            margin-top: .8rem;
            padding: .9rem 0;
            background: #FFFFFF;
            box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.1);
            border-radius: 3px;
            position: absolute;
            z-index: 1000;

            li {
                width: $width;

                a {
                    text-align: center;
                    display: block;
                    width: 100%;
                    color: #666666;
                    font-size: 1rem;
                    line-height: 2.2rem;

                    span {}
                }

                &:hover {
                    a {
                        background: #E9F1FE url(../images/courseware/矢量智能对象.png) no-repeat 20% 50%;
                    }
                }
            }

            li.active {
                background: url(../images/courseware/矢量智能对象.png) no-repeat 20% 50%;
            }
        }
    }

    .right {
        div:first-child {
            a {
                white-space: nowrap;
                span {}
            }
        }

        div:last-child {
            margin-left: 1.3rem;
            white-space: nowrap;
            a {
            }
        }
    }
}

/*   // courses 课件内容   一行4个课件每个21%   */
.courseCon {
    margin-top: 2rem;
    >div {
        >ul {
            display: flex;
            flex-wrap: wrap;
            >li {
                position: relative;
                width: 21.5%;
                margin-right: 3%;
                box-shadow: 0px 0px 4px 0px rgba(41, 121, 248, 0.1);
                border-radius: 5px;
                margin-bottom: 1.2rem;
                // background: url(../images/我的课件_slices/shenglvehao.png) no-repeat 94% 96%;
                a {
                    display: block;
                    >div{
                        display: flex;
                        align-items: center;
                    }
                    img {
                        width: 100%;border-top-left-radius: 5px;
                        border-top-right-radius: 5px;
                        max-height: 11rem;
                    }
                    p {
                        width: 77%;
                        margin: 0 2% 0 9%;
                        white-space: nowrap;
                        overflow: hidden;
                        text-overflow: clip;
                        font-size: 1.2rem;
                        font-family: PingFang;
                        font-weight: 500;
                        color: #666666;
                        line-height: 3rem;
                    }
                }
                .moreOpt {
                    width: 8%;
                    height: 10%;
                    position: absolute;
                    right: 2%;
                    bottom: 4%;
                    cursor: pointer;
                    img {}
                }
                input {
                    margin: 0;
                    position: absolute;
                    right: 0;
                    top: 0;
                    width: 1.8rem;
                    height: 1.8rem;
                    padding: 0;
                    border-radius: 3px;
                }
            }
        }
    }


}

// <!-- 新建文件夹弹窗 -->
.fileOption {
    background: RGBA(229, 229, 229, .7);
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;

    .centerBox {
        border-radius: 1rem;
        position: absolute;
        z-index: 100;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        background: #FFF;
        font-family: PingFang SC;
        padding-left: 2.4rem;
        padding-right: 3rem;
        width: 35%;

        h3 {
            width: 100%;
            font-size: 2rem;
            font-weight: 500;
            color: #333333;
            line-height: 5rem;
            margin: 0 0 2rem 0;
        }



        input {
            width: 100%;
            border-bottom: 1px solid #05A6F9;
            font-size: 1.5rem;
            font-weight: 400;
            color: #999999;
        }

        .btns {
            margin: 2rem 0;
            float: right;

            button {
                width: 67px;
                $height: 30px;
                height: $height;
                border-radius: $height/2;
            }

            .cancel {
                background: #FFF;
                border: 1px solid #CCCCCC;
                margin-right: 1rem;
            }

            .confirm {
                background: #05A6F9;
                color: #FFF;
            }
        }
    }
}

// 导出pptx或者pdf
.export {
    background: RGBA(229, 229, 229, .7);
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;

    .centerBox {
        width: 45%;
        font-family: PingFang SC;
        text-align: center;

        h3 {
            text-align: left;
            font-size: 2.2rem;
            font-weight: 500;
            color: #333333;
            line-height: 7.2rem;
            width: 94%;
            margin-left: 6%;
            margin-bottom: 1.4rem;
        }

        .middleCon {
            display: flex;
            justify-content: center;
            align-items: center;

            img {
                width: 36%;
            }

            p {
                font-size: 1.6rem;
                font-weight: 400;
                color: #333333;
                line-height: 5.6rem;
            }

            span {
                font-size: 1.2rem;
                font-weight: 400;
                color: #999999;
            }

            .leftBox {
                width: 50%;
            }

            .rightBox {
                width: 50%;
            }
        }

        #exportBtn {
            display: inline-block;
            width: 40%;
            $height: 4rem;
            height: $height;
            background: #05A6F9;
            border-radius: $height/2;
            margin: 3.1rem 0 2.6rem 0;
            cursor: pointer;
            font-size: 1.6rem;
            font-weight: 400;
            color: #FFFEFE;
        }

        .closeChaS {
            cursor: pointer;
            position: absolute;
            top: 2%;
            right: 1%;
        }
    }
}

// 回收站 rubbish
.rubbishFile {
    p {
        font-size: 1.6rem;
        font-family: PingFang SC;
        font-weight: 400;
        color: #999999;
    }
}

// 提交后的弹窗
.commitDialog {
    display: none;
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;top: 0;
    z-index: 1000;
    div{
        position: fixed;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 142px;
        background: #FFFFFF;
        border: 1px solid #05A6F9;
        border-radius: 10px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    span {
        user-select: none;
        font-size: 1.5rem;
        font-family: Source Han Sans CN;
        font-weight: 400;
        color: #05A6F9;
        line-height: 40px;
    }
}



.swiper-slide {
    // position: relative;
}

.swiper-container {
    position: relative;
}

.swiper-container .hide {
    opacity: 0;
}

.swiper-button-next,
.swiper-button-prev {
    transition: opacity 0.5s;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: #FFF;
    box-shadow: 0px 0px 4px 0px rgba(41, 121, 248, 0.4);
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 22px;
}

video {
    width: 100%;
    display: none;
}

audio {
    position: absolute;
    left: 0;
    bottom: 1rem;
    margin-left: 25%;
    width: 50%;
    height: 10%;
    border: 0;
    outline: 0;
}

.swiper-slide img {
    width: 100%;
}

.swiper-slide video {}
// previewPPTX点击某一课时，显示预览课时的弹窗
.previewPPTX {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    background-color: rgba(229, 229, 229, 0.5);
    z-index: 1000;

    .centerBox {
        z-index: 1000;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 61%;
        background: #FAFAFA;
        border-radius: 1rem;
        text-align: center;
        font-family: PingFang;
        font-weight: 500;
    }

    #lookCourse {
        position: absolute;
        right: 10%;
        top: 0;
        font-size: 1.6rem;
        font-family: PingFang SC;
        font-weight: 500;
        color: #29A7F7;
        line-height: 5.3rem;
    }

    .close {
        position: absolute;
        right: 10px;
        top: 10px;
        cursor: pointer;
    }

    h3 {
        font-size: 1.6rem;
        font-family: Source Han Sans CN;
        font-weight: 400;
        color: #333333;
        line-height: 5.3rem;
    }

    .swiper-container {}

    .PPTXCon {
        padding: 0 1.7rem 1.7rem;

        #previewErr {
            display: none;
        }
    }
}